fix(controlplane): tolerate orphaned project memberships in ListMembe… #391

Job	Run time
Release Gate	18s
test / Test (controlplane)	7m 53s
test / Test (cli)	3m 5s
test / Test (main-module)	5m 32s
test / Test (artifact-cas)	1m 31s
Release CLI and control-plane/artifact-cas container images	-1s
Release Gate	11s
test / Test (cli)	3m 1s
test / Test (main-module)	5m 3s
test / Test (controlplane)	8m 2s
test / Test (artifact-cas)	1m 24s
Release CLI and control-plane/artifact-cas container images	16m 48s
	52m 47s

Provide feedback